Buildresult: powerpc-fixes/44x/akebono_defconfig/powerpc-gcc5 built on Jul 18 2018, 01:13
kisskb
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Status:
OK
Date/Time:
Jul 18 2018, 01:13
Duration:
0:00:28.026081
Builder:
ka4
Revision:
powerpc/powernv: Save & Restore SPRG3 on entry/exit from stop (idle) (
34f0ee3c18c1ba6b31eea86c1e154ef1a7f31d56)
Target:
powerpc-fixes/44x/akebono_defconfig/powerpc-gcc5
Branch:
powerpc-fixes
Compiler:
powerpc-gcc5
(powerpc64-linux-gcc (GCC) 5.3.0)
Config:
44x/akebono_defconfig
(
download
)
Log:
Download original
Possible warnings (6)
WARNING: modpost: Found 1 section mismatch(es). arch/powerpc/boot/akebono.dtb: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie" arch/powerpc/boot/akebono.dtb: Warning (pci_bridge): /plb/pciex@20100000000: node name is not "pci" or "pcie" arch/powerpc/boot/akebono.dtb: Warning (pci_bridge): /plb/pciex@18100000000: node name is not "pci" or "pcie" arch/powerpc/boot/akebono.dtb: Warning (pci_bridge): /plb/pciex@28100000000: node name is not "pci" or "pcie" arch/powerpc/boot/akebono.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'
Full Log
# git rev-parse -q --verify 34f0ee3c18c1ba6b31eea86c1e154ef1a7f31d56^{commit} 34f0ee3c18c1ba6b31eea86c1e154ef1a7f31d56 already have revision, skipping fetch # git checkout -q -f -B kisskb 34f0ee3c18c1ba6b31eea86c1e154ef1a7f31d56 # git clean -qxdf # < git log -1 # commit 34f0ee3c18c1ba6b31eea86c1e154ef1a7f31d56 # Author: Gautham R. Shenoy <ego@linux.vnet.ibm.com> # Date: Tue Jul 17 16:57:29 2018 +0530 # # powerpc/powernv: Save & Restore SPRG3 on entry/exit from stop (idle) # # On 64-bit Servers, SPRN_SPRG3 and its userspace read-only mirror # SPRN_USPRG3 are used as userspace VDSO write and read registers # respectively. # # SPRN_SPRG3 is lost when we enter stop4 and above, and is currently not # restored. As a result, any read from SPRN_USPRG3 returns zero on an # exit from stop4 and above. This affects Power9 only. # # Thus in this situation, any call from sched_getcpu() always returns # zero, as on powerpc, we call __kernel_getcpu() which relies upon # SPRN_USPRG3 to report the CPU and NUMA node information. # # Fix this by saving the SPRN_SPRG3 before entering a deep stop state, # and restoring it back on wakeup from the stop state. # # Fixes: e1c1cfed5432 ("powerpc/powernv: Save/Restore additional SPRs for stop4 cpuidle") # Cc: stable@vger.kernel.org # v4.14+ # Reported-by: Florian Weimer <fweimer@redhat.com> # Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 34f0ee3c18c1ba6b31eea86c1e154ef1a7f31d56 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_akebono_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- 44x/akebono_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_44x_akebono_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. WARNING: modpost: Found 1 section mismatch(es). To see full details build your kernel with: 'make CONFIG_DEBUG_SECTION_MISMATCH=y' arch/powerpc/boot/akebono.dtb: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie" arch/powerpc/boot/akebono.dtb: Warning (pci_bridge): /plb/pciex@20100000000: node name is not "pci" or "pcie" arch/powerpc/boot/akebono.dtb: Warning (pci_bridge): /plb/pciex@18100000000: node name is not "pci" or "pcie" arch/powerpc/boot/akebono.dtb: Warning (pci_bridge): /plb/pciex@28100000000: node name is not "pci" or "pcie" arch/powerpc/boot/akebono.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' Completed OK # rm -rf /kisskb/build/powerpc-fixes_44x_akebono_defconfig_powerpc-5.3 # Build took: 0:00:28.026081
© Michael Ellerman 2006-2018.